TY  - BOOK
AU  - Knight,Kathryn Lasky
TI  - Trace elements
T2  - Pocket mystery
SN  - 0671640895 (pbk.) :
AV  - PS3561.N485 T7 1987
PY  - 1987///, c1986
CY  - New York
PB  - Pocket Books
UR  - http://www.archive.org/details/traceelements00knig
UR  - http://www.openlibrary.org/books/OL24222272M
ER  -